Western Digital WD4000ABYS

WD4000ABYS Western Digital 3.5″ hard drive with a storage capacity of 400 GB and featuring a SATA interface. WD4000ABYS WD 3.5″ 400 GB Serial-ATA/300 RE2 7200 RPM Hard Drive.

All information about the Western Digital WD4000ABYS hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Western Digital WD4000ABYS Technical Details:

• Hard Disk Model: WDC WD4000ABYS
• Disk Family: RE2
• Form Factor: 3.5″
• Capacity: 400 GB (400 x 1 000 000 000 bytes)
• Number Of Disks: 2
• Number Of Heads: 4
• Rotational Speed: 7200 RPM
• Rotation Time: 8.33 ms
• Average Rotational Latency: 4.17 ms
• Disk Interface: Serial-ATA/300
• Buffer-Host Max. Rate: 300 MB/seconds
• Buffer Size: 16384 KB
• Drive Ready Time (typical): 12 seconds
• Average Seek Time: 8.9 ms
• Track To Track Seek Time: 0.6 ms
• Full Stroke Seek Time: 21 ms
• Width: 101.6 mm (3.98 inch)
• Depth: 147 mm (5.79 inch)
• Height: 25.4 mm (0.98 inch)
• Weight: 730 grams (1.61 pounds)
• Acoustic (Idle): 2.8 Bel
• Acoustic (Min performance and volume): 3.0 Bel
• Acoustic (Max performance and volume): 3.4 Bel
• Required Power For Spinup: 1250 mA
• Power Required (Seek): 9.5 W
• Power Required (Idle): 8.75 W
• Power Required (Standby): 1.6 W
• Manufacturer: Western Digital Corporation

Western Digital WD4000ABYS Hard Drives:

• WD4000ABYS WD 3.5″ 400 GB Serial-ATA/300 RE2 7200 RPM Hard Drive.

Western Digital WD4000ABYS Failure Symptoms:

• Electrical Failure Symptoms:
  Drive is powered, but shows no sign of function;
  Disk knocking as the motor fails to spin;
  Clicking sound as the heads search or initialize;
• Mechanical Failure Symptoms:
  Clicking, grinding sounds;
  Completely quiet due to ” motor freeze”;
  “music” tone as the disk is powered up;
• Logical Failure Examples:
  Accidental deletion, accidental format, file corruption, software bugs, file system corruption, viruses and malware, and many, many more.
• Firmware Failure Symptoms:
  drive powers up, but is not recognised by the computer;
  Drive powers up, but is recognised wrongly, sometimes with nonsensical characters;
  Drive freezes during booting up;
• Bad Platter Area Symptoms:
  Hard disk still accessible but appear to “hang” or “sluggish”;
  Constant Cyclic Redundancy (CRC) errors;
  Unable to access folders or files which could be seen;
• Complex Failure Model

Western Digital WD4000ABYS Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Western Digital WD4000ABYS hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “PCB Number” of the current board, such as etc.